package org.csmzxy.class2333;

public class example18 {
        public static void main(String[] args) {
            int[] arr=new int[3];
            System.out.println("arr[0]=" + arr[0]);
            System.out.println("arr[1]=" + arr[1]);
            System.out.println("arr[2]=" + arr[2]);
            System.out.println("数组的长度是" + arr.length);
        }
    }
